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[1]刘恒,潘阳阳,彭小波,等.两种一维土层地震反应分析方法对比[J].南京工业大学学报(自然科学版),2020,42(02):214-222.[doi:10.3969/j.issn.1671-7627.2020.02.012]
 LIU Heng,PAN Yangyang,PENG Xiaobo,et al.Comparative on two kinds of one-dimensional soil layer seismic response analysis methods[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2020,42(02):214-222.[doi:10.3969/j.issn.1671-7627.2020.02.012]
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两种一维土层地震反应分析方法对比()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
42
期数:
2020年02期
页码:
214-222
栏目:
出版日期:
2020-03-22

文章信息/Info

Title:
Comparative on two kinds of one-dimensional soil layer seismic response analysis methods
文章编号:
1671-7627(2020)02-0214-09
作者:
刘恒1潘阳阳1彭小波23张鹏1
1.南京工业大学 交通运输工程学院,江苏 南京 210009; 2.江苏省地震局,江苏 南京 210014; 3.防灾科技学院,河北 三河 065201
Author(s):
LIU Heng1 PAN Yangyang1 PENG Xiaobo23 ZHANG Peng1
1. School of Transportation Engineering, Nanjing Tech University, Nanjing 210009, China; 2. Jiangsu Earthquake Administration, Nanjing 210014, China; 3. Institute of Disaster Prevention, Sanhe 065201, China
关键词:
土层地震反应分析 等效线性化 时域非线性 峰值加速度 加速度反应谱
Keywords:
soil layer seismic response analysis equivalent linear method time domain nonlinear method peak ground acceleration peak spectral acceleration
分类号:
TU435;P315.8
DOI:
10.3969/j.issn.1671-7627.2020.02.012
文献标志码:
A
摘要:
依托涵盖4类场地的72个真实土层钻孔剖面数据,对一维土层地震反应分析计算方法SHAKE91和DEEPSOIL进行系统对比,分析两种方法计算出的峰值加速度(PGA)和加速度反应谱(PSA)的异同,探讨其适用性。结果表明:两种方法计算得到的峰值加速度差异不仅随着场地变深软而增大,而且随着地震动输入强度(PRA)增大而增大; 对于加速度反应谱的谱形,两种方法得到的结果具有相似性,均反映了场地的地震反应特点,但SHAKE91对加速度反应谱卓越周期的变化影响较大,而DEEPSOIL对输入地震动的高频成分保留更多; 在场地条件较硬(I类)、输入地震动强度较弱(<0.1g)和输入地震动高频成分丰富(Nahanni波)时,SHAKE91和DEEPSOIL计算结果之间的差异可忽略不计。
Abstract:
Based on the data of 72 real soil layer drilling profiles covering 4 types of sites, a systematic comparison between the one-dimensional soil layer seismic response analysis and calculation methods SHAKE91 and DEEPSOIL was made, the similarities and differences between the peak ground acceleration(PGA)and peak spectral acceleration(PSA)calculated by the two methods were analyzed, and their applicability were discussed. The results showed that the difference of peak ground acceleration calculated by the two methods not only increased with the depth of the site, but also increased with the input intensity of ground motion. For the spectrum shape of peak spectral acceleration, the results obtained by the two methods were similar, which reflect the characteristics of seismic response of the site. However, SHAKE91 had a great influence on the change of predominant period of peak spectral acceleration, while DEEPSOIL retained more high-frequency components of input ground motion. When the site condition was hard(class I), the peak reflected acceleration(PRA)was weak(<0.1g)and the input ground motion high frequency component was rich(Nahanni wave), the difference between the calculated results of SHAKE91 and DEEPSOIL was ignored.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2018-09-27
基金项目:国家自然科学基金(51308292); 中国地震局星火计划(XH16014); 江苏省结构工程重点实验室开放课题(ZD1403); 江苏省科技支撑计划(BE2014731)
作者简介:刘恒(1983—),女,副教授,E-mail:liuhengiem@njtech.edu.cn; 彭小波(联系人),副研究员,E-mail:xiaobo_peng@163.com.
引文格式:刘恒,潘阳阳,彭小波,等.两种一维土层地震反应分析方法对比[J].南京工业大学学报(自然科学版),2020,42(2):214-222.
LIU Heng, PAN Yangyang, PENG Xiaobo, et al. Comparative on two kinds of one-dimensional soil layer seismic response analysis methods[J].Journal of Nanjing Tech University(Natural Science Edition),2020,42(2):214-222..
更新日期/Last Update: 2020-03-20